Articles | Volume 18, issue 18
https://doi.org/10.5194/gmd-18-6167-2025
https://doi.org/10.5194/gmd-18-6167-2025
Development and technical paper
 | 
19 Sep 2025
Development and technical paper |  | 19 Sep 2025

A new vertical reduction model for enhancing the interpolation accuracy of VMF1/VMF3 tropospheric delay products

Peng Sun, Kefei Zhang, Dantong Zhu, Shuangshuang Shi, Xuexi Liu, Dongsheng Zhao, Minghao Zhang, and Suqin Wu

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Cited articles

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Askne, J. and Nordius, H.: Estimation of tropospheric delay for microwaves from surface weather data, Radio Sci., 22, 379–386, https://doi.org/10.1029/RS022i003p00379, 1987. 
Bevis, M., Businger, S., Herring, T. A., Rocken, C., Anthes, R. A., and Ware, R. H.: GPS meteorology: Remote sensing of atmospheric water vapor using the global positioning system, J. Geophys. Res., 97, 15787–15801, https://doi.org/10.1029/92jd01517, 1992. 
Boehm, J., Werl, B., and Schuh, H.: Troposphere mapping functions for GPS and very long baseline interferometry from european centre for medium-range weather forecasts operational analysis data, J. Geophys. Res.-Sol. Ea., 111, https://doi.org/10.1029/2005JB003629, 2006. 
Boehm, J., Heinkelmann, R., and Schuh, H.: Short note: A global model of pressure and temperature for geodetic applications, J. Geodesy, 81, 679–683, https://doi.org/10.1007/s00190-007-0135-3, 2007. 
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Short summary
A new method has been developed to more accurately adjust atmospheric delay data for use in satellite positioning, especially in areas with large height differences. By using long-term weather data and testing with global observation stations, the new method significantly improves accuracy compared to traditional approaches. This can benefit applications such as precise positioning and weather monitoring using navigation satellite signals.
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